/**
 * Created by JetBrains PhpStorm.
 * User: taoqili
 * Date: 12-2-20
 * Time: 上午11:19
 * To change this template use File | Settings | File Templates.
 */

(function () {
  var video = {},
    uploadVideoList = [],
    isModifyUploadVideo = false,
    uploadFile

  window.onload = function () {
    $focus($G('videoUrl'))
    initTabs()
    initVideo()
    initUpload()
  };

  /* 初始化tab标签 */
  function initTabs () {
    var tabs = $G('tabHeads').children
    for (var i = 0; i < tabs.length; i++) {
      domUtils.on(tabs[i], 'click', function (e) {
        var j,
          bodyId,
          target = e.target || e.srcElement
        for (j = 0; j < tabs.length; j++) {
          bodyId = tabs[j].getAttribute('data-content-id')
          if (tabs[j] == target) {
            domUtils.addClass(tabs[j], 'focus')
            domUtils.addClass($G(bodyId), 'focus')
          } else {
            domUtils.removeClasses(tabs[j], 'focus')
            domUtils.removeClasses($G(bodyId), 'focus')
          }
        }
      })
    }
  }

  function initVideo () {
    createAlignButton(['videoFloat', 'upload_alignment'])
    addUrlChangeListener($G('videoUrl'))
    addOkListener();

    // 编辑视频时初始化相关信息
    (function () {
      var img = editor.selection.getRange().getClosedNode(),
        url
      if (img && img.className) {
        var hasFakedClass = img.className == 'edui-faked-video',
          hasUploadClass = img.className.indexOf('edui-upload-video') != -1
        if (hasFakedClass || hasUploadClass) {
          $G('videoUrl').value = url = img.getAttribute('_url')
          $G('videoWidth').value = img.width
          $G('videoHeight').value = img.height
          var align = domUtils.getComputedStyle(img, 'float'),
            parentAlign = domUtils.getComputedStyle(
              img.parentNode,
              'text-align'
            )
          updateAlignButton(parentAlign === 'center' ? 'center' : align)
        }
        if (hasUploadClass) {
          isModifyUploadVideo = true
        }
      }
      createPreviewVideo(url)
    })()
  }

  /**
   * 监听确认和取消两个按钮事件，用户执行插入或者清空正在播放的视频实例操作
   */
  function addOkListener () {
    dialog.onok = function () {
      $G('preview').innerHTML = '';
      var currentTab = findFocus('tabHeads', 'tabSrc')
      switch (currentTab) {
        case 'video':
          return insertSingle()
          break;
        case 'videoSearch':
          return insertSearch('searchList')
          break;
        case 'upload':
          return insertUpload()
          break;
      }
    }
    dialog.oncancel = function () {
      $G('preview').innerHTML = '';
    }
  }

  /**
   * 依据传入的align值更新按钮信息
   * @param align
   */
  function updateAlignButton (align) {
    var aligns = $G('videoFloat').children
    for (var i = 0, ci; (ci = aligns[i++]);) {
      if (ci.getAttribute('name') == align) {
        if (ci.className != 'focus') {
          ci.className = 'focus';
        }
      } else {
        if (ci.className == 'focus') {
          ci.className = '';
        }
      }
    }
  }

  /**
   * 将单个视频信息插入编辑器中
   */
  function insertSingle () {
    var width = $G('videoWidth'),
      height = $G('videoHeight'),
      url = $G('videoUrl').value,
      align = findFocus('videoFloat', 'name')
    if (!url) return false
    if (!checkNum([width, height])) return false
    editor.execCommand(
      'insertvideo',
      {
        url: convert_url(url),
        width: width.value,
        height: height.value,
        align: align
      },
      isModifyUploadVideo ? 'upload' : null
    )
  }

  /**
   * 将元素id下的所有代表视频的图片插入编辑器中
   * @param id
   */
  function insertSearch (id) {
    var imgs = domUtils.getElementsByTagName($G(id), 'img'),
      videoObjs = []
    for (var i = 0, img; (img = imgs[i++]);) {
      if (img.getAttribute('selected')) {
        videoObjs.push({
          url: img.getAttribute('ue_video_url'),
          width: 420,
          height: 280,
          align: 'none'
        })
      }
    }
    editor.execCommand('insertvideo', videoObjs)
  }

  /**
   * 找到id下具有focus类的节点并返回该节点下的某个属性
   * @param id
   * @param returnProperty
   */
  function findFocus (id, returnProperty) {
    var tabs = $G(id).children,
      property
    for (var i = 0, ci; (ci = tabs[i++]);) {
      if (ci.className == 'focus') {
        property = ci.getAttribute(returnProperty)
        break;
      }
    }
    return property
  }
  function convert_url (url) {
    if (!url) return '';
    url = utils
      .trim(url)
      .replace(
        /v\.youku\.com\/v_show\/id_([\w\-=]+)\.html/i,
        'player.youku.com/player.php/sid/$1/v.swf'
      )
      .replace(
        /(www\.)?youtube\.com\/watch\?v=([\w\-]+)/i,
        'www.youtube.com/v/$2'
      )
      .replace(/youtu.be\/(\w+)$/i, 'www.youtube.com/v/$1')
      .replace(
        /v\.ku6\.com\/.+\/([\w\.]+)\.html.*$/i,
        'player.ku6.com/refer/$1/v.swf'
      )
      .replace(
        /www\.56\.com\/u\d+\/v_([\w\-]+)\.html/i,
        'player.56.com/v_$1.swf'
      )
      .replace(
        /www.56.com\/w\d+\/play_album\-aid\-\d+_vid\-([^.]+)\.html/i,
        'player.56.com/v_$1.swf'
      )
      .replace(
        /v\.pps\.tv\/play_([\w]+)\.html.*$/i,
        'player.pps.tv/player/sid/$1/v.swf'
      )
      .replace(
        /www\.letv\.com\/ptv\/vplay\/([\d]+)\.html.*$/i,
        'i7.imgs.letv.com/player/swfPlayer.swf?id=$1&autoplay=0'
      )
      .replace(
        /www\.tudou\.com\/programs\/view\/([\w\-]+)\/?/i,
        'www.tudou.com/v/$1'
      )
      .replace(
        /v\.qq\.com\/cover\/[\w]+\/[\w]+\/([\w]+)\.html/i,
        'static.video.qq.com/TPout.swf?vid=$1'
      )
      .replace(
        /v\.qq\.com\/.+[\?\&]vid=([^&]+).*$/i,
        'static.video.qq.com/TPout.swf?vid=$1'
      )
      .replace(
        /my\.tv\.sohu\.com\/[\w]+\/[\d]+\/([\d]+)\.shtml.*$/i,
        'share.vrs.sohu.com/my/v.swf&id=$1'
      )

    return url
  }

  /**
   * 检测传入的所有input框中输入的长宽是否是正数
   * @param nodes input框集合，
   */
  function checkNum (nodes) {
    for (var i = 0, ci; (ci = nodes[i++]);) {
      var value = ci.value
      if (!isNumber(value) && value) {
        alert(lang.numError)
        ci.value = '';
        ci.focus()
        return false
      }
    }
    return true
  }

  /**
   * 数字判断
   * @param value
   */
  function isNumber (value) {
    return /(0|^[1-9]\d*$)/.test(value)
  }

  /**
   * 创建图片浮动选择按钮
   * @param ids
   */
  function createAlignButton (ids) {
    for (var i = 0, ci; (ci = ids[i++]);) {
      var floatContainer = $G(ci),
        nameMaps = {
          none: lang['default'],
          left: lang.floatLeft,
          right: lang.floatRight,
          center: lang.block
        }
      for (var j in nameMaps) {
        var div = document.createElement('div')
        div.setAttribute('name', j)
        if (j == 'none') div.className = 'focus';
        div.style.cssText = 'background:url(images/' + j + '_focus.jpg);';
        div.setAttribute('title', nameMaps[j])
        floatContainer.appendChild(div)
      }
      switchSelect(ci)
    }
  }

  /**
   * 选择切换
   * @param selectParentId
   */
  function switchSelect (selectParentId) {
    var selects = $G(selectParentId).children
    for (var i = 0, ci; (ci = selects[i++]);) {
      domUtils.on(ci, 'click', function () {
        for (var j = 0, cj; (cj = selects[j++]);) {
          cj.className = '';
          cj.removeAttribute && cj.removeAttribute('class')
        }
        this.className = 'focus';
      })
    }
  }

  /**
   * 监听url改变事件
   * @param url
   */
  function addUrlChangeListener (url) {
    if (browser.ie) {
      url.onpropertychange = function () {
        createPreviewVideo(this.value)
      };
    } else {
      url.addEventListener(
        'input',
        function () {
          createPreviewVideo(this.value)
        },
        false
      )
    }
  }

  /**
   * 根据url生成视频预览
   * @param url
   */
  function createPreviewVideo (url) {
    if (!url) return

    var conUrl = convert_url(url)

    conUrl = utils.unhtmlForUrl(conUrl)

    $G('preview').innerHTML =
      '<video class="previewVideo" controls="controls" src="' +
      conUrl +
      '" style="width:420;height:280 "></video>'
  }

  /* 插入上传视频 */
  function insertUpload () {
    var videoObjs = [],
      uploadDir = editor.getOpt('videoUrlPrefix'),
      width = parseInt($G('upload_width').value, 10) || 420,
      height = parseInt($G('upload_height').value, 10) || 280,
      align = findFocus('upload_alignment', 'name') || 'none';
    for (var key in uploadVideoList) {
      var file = uploadVideoList[key]
      videoObjs.push({
        url: uploadDir + file.url,
        width: width,
        height: height,
        align: align
      })
    }

    var count = uploadFile.getQueueCount()
    if (count) {
      $('.info', '#queueList').html(
        '<span style="color:red;">' +
          '还有2个未上传文件'.replace(/[\d]/, count) +
          '</span>'
      )
      return false
    } else {
      editor.execCommand('insertvideo', videoObjs, 'upload')
    }
  }

  /*初始化上传标签 */
  function initUpload () {
    uploadFile = new UploadFile('queueList')
  }

  /* 上传附件 */
  function UploadFile (target) {
    this.$wrap = target.constructor == String ? $('#' + target) : $(target)
    this.init()
  }
  UploadFile.prototype = {
    init: function () {
      this.fileList = []
      this.initContainer()
      this.initUploader()
    },
    initContainer: function () {
      this.$queue = this.$wrap.find('.filelist')
    },
    /* 初始化容器 */
    initUploader: function () {
      var _this = this,
        $ = jQuery, // just in case. Make sure it's not an other libaray.
        $wrap = _this.$wrap,
        // 图片容器
        $queue = $wrap.find('.filelist'),
        // 状态栏，包括进度和控制按钮
        $statusBar = $wrap.find('.statusBar'),
        // 文件总体选择信息。
        $info = $statusBar.find('.info'),
        // 上传按钮
        $upload = $wrap.find('.uploadBtn'),
        // 上传按钮
        $filePickerBtn = $wrap.find('.filePickerBtn'),
        // 上传按钮
        $filePickerBlock = $wrap.find('.filePickerBlock'),
        // 没选择文件之前的内容。
        $placeHolder = $wrap.find('.placeholder'),
        // 总体进度条
        $progress = $statusBar.find('.progress').hide(),
        // 添加的文件数量
        fileCount = 0,
        // 添加的文件总大小
        fileSize = 0,
        // 优化retina, 在retina下这个值是2
        ratio = window.devicePixelRatio || 1,
        // 缩略图大小
        thumbnailWidth = 113 * ratio,
        thumbnailHeight = 113 * ratio,
        // 可能有pedding, ready, uploading, confirm, done.
        state = '',
        // 所有文件的进度信息，key为file id
        percentages = {},
        supportTransition = (function () {
          var s = document.createElement('p').style,
            r =
              'transition' in s ||
              'WebkitTransition' in s ||
              'MozTransition' in s ||
              'msTransition' in s ||
              'OTransition' in s
          s = null
          return r
        })(),
        // WebUploader实例
        uploader,
        actionUrl = editor.getActionUrl(editor.getOpt('videoActionName')),
        fileMaxSize = editor.getOpt('videoMaxSize'),
        acceptExtensions = (editor.getOpt('videoAllowFiles') || [])
          .join('')
          .replace(/\./g, ',')
          .replace(/^[,]/, '')

      if (!WebUploader.Uploader.support()) {
        $('#filePickerReady')
          .after($('<div>').html(lang.errorNotSupport))
          .hide()
        return;
      } else if (!editor.getOpt('videoActionName')) {
        $('#filePickerReady')
          .after($('<div>').html(lang.errorLoadConfig))
          .hide()
        return;
      }

      uploader = _this.uploader = WebUploader.create({
        withCredentials: true,
        pick: {
          id: '#filePickerReady',
          label: lang.uploadSelectFile
        },
        swf: '../../third-party/webuploader/Uploader.swf',
        server: actionUrl,
        fileVal: editor.getOpt('videoFieldName'),
        duplicate: true,
        fileSingleSizeLimit: fileMaxSize,
        compress: false
      })
      uploader.addButton({
        id: '#filePickerBlock'
      })
      uploader.addButton({
        id: '#filePickerBtn',
        label: lang.uploadAddFile
      })

      setState('pedding')

      // 当有文件添加进来时执行，负责view的创建
      function addFile (file) {
        var $li = $(
            '<li id="' +
              file.id +
              '">' +
              '<p class="title">' +
              file.name +
              '</p>' +
              '<p class="imgWrap"></p>' +
              '<p class="progress"><span></span></p>' +
              '</li>'
          ),
          $btns = $(
            '<div class="file-panel">' +
              '<span class="cancel">' +
              lang.uploadDelete +
              '</span>' +
              '<span class="rotateRight">' +
              lang.uploadTurnRight +
              '</span>' +
              '<span class="rotateLeft">' +
              lang.uploadTurnLeft +
              '</span></div>'
          ).appendTo($li),
          $prgress = $li.find('p.progress span'),
          $wrap = $li.find('p.imgWrap'),
          $info = $('<p class="error"></p>')
            .hide()
            .appendTo($li),
          showError = function (code) {
            switch (code) {
              case 'exceed_size':
                text = lang.errorExceedSize
                break;
              case 'interrupt':
                text = lang.errorInterrupt
                break;
              case 'http':
                text = lang.errorHttp
                break;
              case 'not_allow_type':
                text = lang.errorFileType
                break;
              default:
                text = lang.errorUploadRetry
                break;
            }
            $info.text(text).show()
          };

        if (file.getStatus() === 'invalid') {
          showError(file.statusText)
        } else {
          $wrap.text(lang.uploadPreview)
          if (
            '|png|jpg|jpeg|bmp|gif|'.indexOf(
              '|' + file.ext.toLowerCase() + '|'
            ) == -1
          ) {
            $wrap
              .empty()
              .addClass('notimage')
              .append(
                '<i class="file-preview file-type-' +
                  file.ext.toLowerCase() +
                  '"></i>' +
                  '<span class="file-title">' +
                  file.name +
                  '</span>'
              )
          } else {
            if (browser.ie && browser.version <= 7) {
              $wrap.text(lang.uploadNoPreview)
            } else {
              uploader.makeThumb(
                file,
                function (error, src) {
                  if (
                    error ||
                    !src ||
                    (/^data:/.test(src) && browser.ie && browser.version <= 7)
                  ) {
                    $wrap.text(lang.uploadNoPreview)
                  } else {
                    var $img = $('<img src="' + src + '">')
                    $wrap.empty().append($img)
                    $img.on('error', function () {
                      $wrap.text(lang.uploadNoPreview)
                    })
                  }
                },
                thumbnailWidth,
                thumbnailHeight
              )
            }
          }
          percentages[file.id] = [file.size, 0]
          file.rotation = 0

          /* 检查文件格式 */
          if (
            !file.ext ||
            acceptExtensions.indexOf(file.ext.toLowerCase()) == -1
          ) {
            showError('not_allow_type')
            uploader.removeFile(file)
          }
        }

        file.on('statuschange', function (cur, prev) {
          if (prev === 'progress') {
            $prgress.hide().width(0)
          } else if (prev === 'queued') {
            $li.off('mouseenter mouseleave')
            $btns.remove()
          }
          // 成功
          if (cur === 'error' || cur === 'invalid') {
            showError(file.statusText)
            percentages[file.id][1] = 1
          } else if (cur === 'interrupt') {
            showError('interrupt')
          } else if (cur === 'queued') {
            percentages[file.id][1] = 0
          } else if (cur === 'progress') {
            $info.hide()
            $prgress.css('display', 'block')
          } else if (cur === 'complete') {
          }

          $li.removeClass('state-' + prev).addClass('state-' + cur)
        })

        $li.on('mouseenter', function () {
          $btns.stop().animate({ height: 30 })
        })
        $li.on('mouseleave', function () {
          $btns.stop().animate({ height: 0 })
        })

        $btns.on('click', 'span', function () {
          var index = $(this).index(),
            deg

          switch (index) {
            case 0:
              uploader.removeFile(file)
              return;
            case 1:
              file.rotation += 90
              break;
            case 2:
              file.rotation -= 90
              break;
          }

          if (supportTransition) {
            deg = 'rotate(' + file.rotation + 'deg)';
            $wrap.css({
              '-webkit-transform': deg,
              '-mos-transform': deg,
              '-o-transform': deg,
              transform: deg
            })
          } else {
            $wrap.css(
              'filter',
              'progid:DXImageTransform.Microsoft.BasicImage(rotation=' +
                (~~(((file.rotation / 90) % 4) + 4) % 4) +
                ')'
            )
          }
        })

        $li.insertBefore($filePickerBlock)
      }

      // 负责view的销毁
      function removeFile (file) {
        var $li = $('#' + file.id)
        delete percentages[file.id]
        updateTotalProgress()
        $li
          .off()
          .find('.file-panel')
          .off()
          .end()
          .remove()
      }

      function updateTotalProgress () {
        var loaded = 0,
          total = 0,
          spans = $progress.children(),
          percent

        $.each(percentages, function (k, v) {
          total += v[0]
          loaded += v[0] * v[1]
        })

        percent = total ? loaded / total : 0

        spans.eq(0).text(Math.round(percent * 100) + '%')
        spans.eq(1).css('width', Math.round(percent * 100) + '%')
        updateStatus()
      }

      function setState (val, files) {
        if (val != state) {
          var stats = uploader.getStats()

          $upload.removeClass('state-' + state)
          $upload.addClass('state-' + val)

          switch (val) {
            /* 未选择文件 */
            case 'pedding':
              $queue.addClass('element-invisible')
              $statusBar.addClass('element-invisible')
              $placeHolder.removeClass('element-invisible')
              $progress.hide()
              $info.hide()
              uploader.refresh()
              break;

            /* 可以开始上传 */
            case 'ready':
              $placeHolder.addClass('element-invisible')
              $queue.removeClass('element-invisible')
              $statusBar.removeClass('element-invisible')
              $progress.hide()
              $info.show()
              $upload.text(lang.uploadStart)
              uploader.refresh()
              break;

            /* 上传中 */
            case 'uploading':
              $progress.show()
              $info.hide()
              $upload.text(lang.uploadPause)
              break;

            /* 暂停上传 */
            case 'paused':
              $progress.show()
              $info.hide()
              $upload.text(lang.uploadContinue)
              break;

            case 'confirm':
              $progress.show()
              $info.hide()
              $upload.text(lang.uploadStart)

              stats = uploader.getStats()
              if (stats.successNum && !stats.uploadFailNum) {
                setState('finish')
                return;
              }
              break

            case 'finish':
              $progress.hide()
              $info.show()
              if (stats.uploadFailNum) {
                $upload.text(lang.uploadRetry)
              } else {
                $upload.text(lang.uploadStart)
              }
              break
          }

          state = val
          updateStatus()
        }

        if (!_this.getQueueCount()) {
          $upload.addClass('disabled')
        } else {
          $upload.removeClass('disabled')
        }
      }

      function updateStatus () {
        var text = '',
          stats

        if (state === 'ready') {
          text = lang.updateStatusReady
            .replace('_', fileCount)
            .replace('_KB', WebUploader.formatSize(fileSize))
        } else if (state === 'confirm') {
          stats = uploader.getStats()
          if (stats.uploadFailNum) {
            text = lang.updateStatusConfirm
              .replace('_', stats.successNum)
              .replace('_', stats.successNum)
          }
        } else {
          stats = uploader.getStats()
          text = lang.updateStatusFinish
            .replace('_', fileCount)
            .replace('_KB', WebUploader.formatSize(fileSize))
            .replace('_', stats.successNum)

          if (stats.uploadFailNum) {
            text += lang.updateStatusError.replace('_', stats.uploadFailNum)
          }
        }

        $info.html(text)
      }

      uploader.on('fileQueued', function (file) {
        fileCount++
        fileSize += file.size

        if (fileCount === 1) {
          $placeHolder.addClass('element-invisible')
          $statusBar.show()
        }

        addFile(file)
      })

      uploader.on('fileDequeued', function (file) {
        fileCount--
        fileSize -= file.size

        removeFile(file)
        updateTotalProgress()
      })

      uploader.on('filesQueued', function (file) {
        if (
          !uploader.isInProgress() &&
          (state == 'pedding' ||
            state == 'finish' ||
            state == 'confirm' ||
            state == 'ready')
        ) {
          setState('ready')
        }
        updateTotalProgress()
      })

      uploader.on('all', function (type, files) {
        switch (type) {
          case 'uploadFinished':
            setState('confirm', files)
            break;
          case 'startUpload':
            /* 添加额外的GET参数 */
            var params =
                utils.serializeParam(editor.queryCommandValue('serverparam')) ||
                '',
              url = utils.formatUrl(
                actionUrl +
                  (actionUrl.indexOf('?') == -1 ? '?' : '&') +
                  'encode=utf-8&' +
                  params
              )
            uploader.option('server', url)
            setState('uploading', files)
            break;
          case 'stopUpload':
            setState('paused', files)
            break;
        }
      })

      uploader.on('uploadBeforeSend', function (file, data, header) {
        // 这里可以通过data对象添加POST参数
        header['X_Requested_With'] = 'XMLHttpRequest';
      })

      uploader.on('uploadProgress', function (file, percentage) {
        var $li = $('#' + file.id),
          $percent = $li.find('.progress span')

        $percent.css('width', percentage * 100 + '%')
        percentages[file.id][1] = percentage
        updateTotalProgress()
      })

      uploader.on('uploadSuccess', function (file, ret) {
        var $file = $('#' + file.id)
        try {
          var responseText = ret._raw || ret,
            json = utils.str2json(responseText)
          if (json.state == 'SUCCESS') {
            uploadVideoList.push({
              url: json.url,
              type: json.type,
              original: json.original
            })
            $file.append('<span class="success"></span>')
          } else {
            $file
              .find('.error')
              .text(json.state)
              .show()
          }
        } catch (e) {
          $file
            .find('.error')
            .text(lang.errorServerUpload)
            .show()
        }
      })

      uploader.on('uploadError', function (file, code) {})
      uploader.on('error', function (code, file) {
        if (code == 'Q_TYPE_DENIED' || code == 'F_EXCEED_SIZE') {
          addFile(file)
        }
      })
      uploader.on('uploadComplete', function (file, ret) {})

      $upload.on('click', function () {
        if ($(this).hasClass('disabled')) {
          return false
        }

        if (state === 'ready') {
          uploader.upload()
        } else if (state === 'paused') {
          uploader.upload()
        } else if (state === 'uploading') {
          uploader.stop()
        }
      })

      $upload.addClass('state-' + state)
      updateTotalProgress()
    },
    getQueueCount: function () {
      var file,
        i,
        status,
        readyFile = 0,
        files = this.uploader.getFiles()
      for (i = 0; (file = files[i++]);) {
        status = file.getStatus()
        if (status == 'queued' || status == 'uploading' || status == 'progress')
          {readyFile++;}
      }
      return readyFile
    },
    refresh: function () {
      this.uploader.refresh()
    }
  }
})()
